arctushar

arctushar

Member Since 4 Years Ago

Dhaka

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Level 1
2,895 XP
Jul
11
4 months ago
Activity icon

Started a new Conversation Nested Eager Eloquent Not As Expected

My sector model is as below

class Sector extends Model
{
    public function codelists()
    {
        return $this->hasMany('App\Codelist');
    }

}

when I use below code

$sectors=Sector::with(['codelists'=>function($query){
            $query->select('id','code','sector_id')
            ->where('category','!=','z');
            }])->get();

and return $sectors, it is ok. Showing only id,code,sector.

but when using below code

foreach($sectors as $sectorkey=>$sectorvalues){
            foreach($sectorvalues->codelists as $codekey=>$codevalues){
                return $codevalues->get();
            }
        }

it is showing all columns of codelists But why ? what is solution if I need only selected three column ???

Jul
10
4 months ago
Activity icon

Started a new Conversation Sql Query Too Slow

I have sql table with 2,685,222 rows and have below columns

id, codelist_id, ltp, trade, value, volume, date, time, created_at, updated_at.

Now When I search something by date, taking too much time. Plz suggest which is faster from below method

  1. search by date
  2. search by created_at
  3. search by id range ( I will make a table for id range for specific date. then from that table collect id start and end from specific date. and query for id range)

Please suggest which is best way between above 3 methods.

May
25
5 months ago
Activity icon

Started a new Conversation WhereIn With Only One Value

WhereIn with only one value for all item

For Example

In a table there are id, cost and item_id field.

For same item_id there are multiple id.

Now I want that pick row where item_id are 2,6,9 and for all item_id it will pick only last id for the specific item_id

so result will be Cost of 2, cost of 6 and cost of 9 based on latest id.

How Can I do that